Bug 1400035 - Check the frame has opacity animations in nsSVGUtils::CanOptimizeOpacity(). r=jwatt

If the frame has opacity animation, we can't optimize it at all.

MozReview-Commit-ID: JQYiPvSaxEs

--HG--
extra : rebase_source : b344b56793ba93ac2f763a6cc7f16edcf06e8f7a

layout/svg/nsSVGUtils.cpp

@@ -1309,6 +1309,11 @@ nsSVGUtils::CanOptimizeOpacity(nsIFrame *aFrame)
   if (style->HasMarker()) {
     return false;
   }
+
+  if (nsLayoutUtils::HasAnimationOfProperty(aFrame, eCSSProperty_opacity)) {
+    return false;
+  }
+
   if (!style->HasFill() || !HasStroke(aFrame)) {
     return true;
   }